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  <title>Specify the method how the SNMP values will be returned</title>

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</div><hr /><div id="function.snmp-set-valueretrieval" class="refentry">
 <div class="refnamediv">
  <h1 class="refname">snmp_set_valueretrieval</h1>
  <p class="verinfo">(PHP 4 &gt;= 4.3.3, PHP 5)</p><p class="refpurpose"><span class="refname">snmp_set_valueretrieval</span> &mdash; <span class="dc-title">
   Specify the method how the SNMP values will be returned
  </span></p>

 </div>
 
 <div class="refsect1 description" id="refsect1-function.snmp-set-valueretrieval-description">
  <h3 class="title">说明</h3>
  <div class="methodsynopsis dc-description">
   <span class="type">bool</span> 
   <span class="methodname"><strong>snmp_set_valueretrieval</strong></span>
    ( <span class="methodparam">
    <span class="type">int</span>
     <code class="parameter">$method</code>
    <span class="initializer"> = SNMP_VALUE_LIBRARY</span>
   </span>
   )</div>

 </div>

 
 <div class="refsect1 parameters" id="refsect1-function.snmp-set-valueretrieval-parameters">
  <h3 class="title">参数</h3>
  <p class="para">
   <dl>

    
     <dt>

      <em><code class="parameter">method</code></em>
     </dt>

     <dd>

      <table class="doctable table">
       <caption><strong>types</strong></caption>
       
        <tbody class="tbody">
         <tr>
          <td>SNMP_VALUE_LIBRARY</td>
          <td>The return values will be as returned by the Net-SNMP library.</td>
         </tr>

         <tr>
          <td>SNMP_VALUE_PLAIN</td>
          <td>The return values will be the plain value without the SNMP type hint.</td>
         </tr>

         <tr>
          <td>SNMP_VALUE_OBJECT</td>
          <td>
           The return values will be objects with the properties &quot;value&quot; and &quot;type&quot;, where the latter
           is one of the SNMP_OCTET_STR, SNMP_COUNTER etc. constants. The
           way &quot;value&quot; is returned is based on which one of constants
           <strong><code>SNMP_VALUE_LIBRARY</code></strong>, <strong><code>SNMP_VALUE_PLAIN</code></strong> is set.
          </td>
         </tr>

        </tbody>
       
      </table>

     </dd>

    
   </dl>

  </p>
 </div>

 
 
 <div class="refsect1 examples" id="refsect1-function.snmp-set-valueretrieval-examples">
  <h3 class="title">范例</h3>
  <p class="para">
   <div class="example" id="example-4460">
    <p><strong>Example #1 Using
     <span class="function"><strong>snmp_set_valueretrieval()</strong></span>
    </strong></p>
    <div class="example-contents">
<div class="phpcode"><code><span style="color: #000000">
<span style="color: #0000BB">&lt;?php<br />&nbsp;snmp_set_valueretrieval</span><span style="color: #007700">(</span><span style="color: #0000BB">SNMP_VALUE_LIBRARY</span><span style="color: #007700">);<br />&nbsp;</span><span style="color: #0000BB">$ret&nbsp;</span><span style="color: #007700">=&nbsp;</span><span style="color: #0000BB">snmpget</span><span style="color: #007700">(</span><span style="color: #DD0000">'localhost'</span><span style="color: #007700">,&nbsp;</span><span style="color: #DD0000">'public'</span><span style="color: #007700">,&nbsp;</span><span style="color: #DD0000">'IF-MIB::ifName.1'</span><span style="color: #007700">);<br />&nbsp;</span><span style="color: #FF8000">//&nbsp;$ret&nbsp;=&nbsp;"STRING:&nbsp;lo"<br /><br />&nbsp;</span><span style="color: #0000BB">snmp_set_valueretrieval</span><span style="color: #007700">(</span><span style="color: #0000BB">SNMP_VALUE_PLAIN</span><span style="color: #007700">);<br />&nbsp;</span><span style="color: #0000BB">$ret&nbsp;</span><span style="color: #007700">=&nbsp;</span><span style="color: #0000BB">snmpget</span><span style="color: #007700">(</span><span style="color: #DD0000">'localhost'</span><span style="color: #007700">,&nbsp;</span><span style="color: #DD0000">'public'</span><span style="color: #007700">,&nbsp;</span><span style="color: #DD0000">'IF-MIB::ifName.1'</span><span style="color: #007700">);<br />&nbsp;</span><span style="color: #FF8000">//&nbsp;$ret&nbsp;=&nbsp;"lo";<br /><br />&nbsp;</span><span style="color: #0000BB">snmp_set_valueretrieval</span><span style="color: #007700">(</span><span style="color: #0000BB">SNMP_VALUE_OBJECT</span><span style="color: #007700">);<br />&nbsp;</span><span style="color: #0000BB">$ret&nbsp;</span><span style="color: #007700">=&nbsp;</span><span style="color: #0000BB">snmpget</span><span style="color: #007700">(</span><span style="color: #DD0000">'localhost'</span><span style="color: #007700">,&nbsp;</span><span style="color: #DD0000">'public'</span><span style="color: #007700">,&nbsp;</span><span style="color: #DD0000">'IF-MIB::ifName.1'</span><span style="color: #007700">);<br />&nbsp;</span><span style="color: #FF8000">//&nbsp;stdClass&nbsp;Object<br />&nbsp;//&nbsp;(<br />&nbsp;//&nbsp;&nbsp;&nbsp;[type]&nbsp;=&gt;&nbsp;4&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&lt;--&nbsp;SNMP_OCTET_STR,&nbsp;see&nbsp;constants<br />&nbsp;//&nbsp;&nbsp;&nbsp;[value]&nbsp;=&gt;&nbsp;lo<br />&nbsp;//&nbsp;)<br /><br />&nbsp;//&nbsp;PHP&nbsp;5.4+&nbsp;examples<br />&nbsp;</span><span style="color: #0000BB">snmp_set_valueretrieval</span><span style="color: #007700">(</span><span style="color: #0000BB">SNMP_VALUE_OBJECT&nbsp;</span><span style="color: #007700">|&nbsp;</span><span style="color: #0000BB">SNMP_VALUE_PLAIN</span><span style="color: #007700">);<br />&nbsp;</span><span style="color: #0000BB">$ret&nbsp;</span><span style="color: #007700">=&nbsp;</span><span style="color: #0000BB">snmpget</span><span style="color: #007700">(</span><span style="color: #DD0000">'localhost'</span><span style="color: #007700">,&nbsp;</span><span style="color: #DD0000">'public'</span><span style="color: #007700">,&nbsp;</span><span style="color: #DD0000">'IF-MIB::ifName.1'</span><span style="color: #007700">);<br />&nbsp;</span><span style="color: #FF8000">//&nbsp;stdClass&nbsp;Object<br />&nbsp;//&nbsp;(<br />&nbsp;//&nbsp;&nbsp;&nbsp;[type]&nbsp;=&gt;&nbsp;4&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&lt;--&nbsp;SNMP_OCTET_STR,&nbsp;see&nbsp;constants<br />&nbsp;//&nbsp;&nbsp;&nbsp;[value]&nbsp;=&gt;&nbsp;lo<br />&nbsp;//&nbsp;)<br /><br />&nbsp;</span><span style="color: #0000BB">snmp_set_valueretrieval</span><span style="color: #007700">(</span><span style="color: #0000BB">SNMP_VALUE_OBJECT&nbsp;</span><span style="color: #007700">|&nbsp;</span><span style="color: #0000BB">SNMP_VALUE_LIBRARY</span><span style="color: #007700">);<br />&nbsp;</span><span style="color: #0000BB">$ret&nbsp;</span><span style="color: #007700">=&nbsp;</span><span style="color: #0000BB">snmpget</span><span style="color: #007700">(</span><span style="color: #DD0000">'localhost'</span><span style="color: #007700">,&nbsp;</span><span style="color: #DD0000">'public'</span><span style="color: #007700">,&nbsp;</span><span style="color: #DD0000">'IF-MIB::ifName.1'</span><span style="color: #007700">);<br />&nbsp;</span><span style="color: #FF8000">//&nbsp;stdClass&nbsp;Object<br />&nbsp;//&nbsp;(<br />&nbsp;//&nbsp;&nbsp;&nbsp;[type]&nbsp;=&gt;&nbsp;4&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&lt;--&nbsp;SNMP_OCTET_STR,&nbsp;see&nbsp;constants<br />&nbsp;//&nbsp;&nbsp;&nbsp;[value]&nbsp;=&gt;&nbsp;STRING:&nbsp;lo<br />&nbsp;//&nbsp;)<br /><br /></span><span style="color: #0000BB">?&gt;</span>
</span>
</code></div>
    </div>

   </div>
  </p>
 </div>

 
 <div class="refsect1 changelog" id="refsect1-function.snmp-set-valueretrieval-changelog">
  <h3 class="title">更新日志</h3>
  <p class="para">
   <table class="doctable informaltable">
    
     <thead>
      <tr>
       <th>版本</th>
       <th>说明</th>
      </tr>

     </thead>

     <tbody class="tbody">
      <tr>
       <td>5.4.0</td>
       <td>
        <p class="para">
         Constants <strong><code>SNMP_VALUE_PLAIN</code></strong> or <strong><code>SNMP_VALUE_LIBRARY</code></strong>
         may be combined with <strong><code>SNMP_VALUE_OBJECT</code></strong>
         resulting different way of representing contents of <em><code class="parameter">value</code></em>
         array element in return value of GET-function. If no
         <strong><code>SNMP_VALUE_{PLAIN,LIBRARY}</code></strong> constant is
         accompanying <strong><code>SNMP_VALUE_OBJECT</code></strong>,
         <strong><code>SNMP_VALUE_LIBRARY</code></strong> is used.
        </p>
        <p class="para">
         Prior to 5.4.0 <strong><code>SNMP_VALUE_OBJECT</code></strong> effecively meant
         <strong><code>SNMP_VALUE_OBJECT</code></strong>|<strong><code>SNMP_VALUE_PLAIN</code></strong>.
        </p>
       </td>
      </tr>

     </tbody>
    
   </table>

  </p>
 </div>


 <div class="refsect1 seealso" id="refsect1-function.snmp-set-valueretrieval-seealso">
  <h3 class="title">参见</h3>
  <p class="para">
   <ul class="simplelist">
    <li class="member">
     <span class="function"><a href="function.snmp-get-valueretrieval.html" class="function" rel="rdfs-seeAlso">snmp_get_valueretrieval()</a> - Return the method how the SNMP values will be returned</span>
    </li>
    <li class="member"><a href="snmp.constants.html" class="xref">预定义常量</a></li>
   </ul>
  </p>
 </div>

 
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